The John Deere RE561836 is a genuine OEM Diesel Particulate Filter (DPF) designed to meet stringent emissions standards for various John Deere agricultural and construction machines. This critical component captures and stores diesel particulate matter (soot) from the exhaust gas, preventing its release into the atmosphere. Regular maintenance and replacement with an authentic John Deere DPF like the RE561836 are essential for maintaining engine performance, fuel efficiency, and compliance with environmental regulations. Engineered for precise fit and reliable operation in compatible John Deere models.